Plant: Biennial, 0.5-2 m, taprooted, nearly glabrous to puberulent; stem erect, branched, conspicuously angled, grooved Leaves: petiole 1-1.5 cm; blade 1.5-3 dm, oblong to ovate, 1-pinnate, leaflets 5-11, 5-10 cm, oblong to ovate, coarsely serrate and lobed or divided INFLORESCENCE: umbels compound; bracts generally 0; bractlets generally 0; rays 5-20, pedicels many, rays and pedicels spreading-ascending; peduncle 7-15 cm Flowers: many, small; calyx lobes minute; petals wide, free, yellow or orange, tips narrowed; stamens 5; pistil 1, ovary inferior, 2-chambered, generally with a ± conic, persistent projection or platform on top subtending 2 free styles Fruit: 2 dry, 1-seeded halves that separate from each other but generally remain attached for some time to a central axis, 4-6 mm wide, oblong to round, very compressed front-to-back; ribs unequal, marginal narrowly winged, others thread-like; oil tubes per rib-interval 1, all equal in length; fruit axis divided to base; Seed: face flat Misc: Roadsides, etc; < 1000 m.